From c2eb4ea99424680149a785bcdb9b6d3e247d5d6e Mon Sep 17 00:00:00 2001
From: stevenfontanella <stevenfont@chromium.org>
Date: Fri, 5 Dec 2025 00:58:37 +0000
Subject: [PATCH 1/2] Fix uninitialized member

---
 src/support/small_vector.h | 18 +-----------------
 1 file changed, 1 insertion(+), 17 deletions(-)

diff --git a/src/support/small_vector.h b/src/support/small_vector.h
index 83ada782f23..86f7bf70116 100644
--- a/src/support/small_vector.h
+++ b/src/support/small_vector.h
@@ -30,26 +30,10 @@
 
 namespace wasm {
 
-// We don't understand this warning, only here and only on aarch64 and riscv64,
-// we suspect it's spurious so disabling for now.
-//
-// For context: https://github.com/WebAssembly/binaryen/issues/6311
-
-#if defined(__aarch64__)
-#pragma GCC diagnostic push
-#pragma GCC diagnostic ignored "-Wmaybe-uninitialized"
-#endif
-
-// https://github.com/WebAssembly/binaryen/issues/6410
-#if defined(__riscv) && __riscv_xlen == 64
-#pragma GCC diagnostic push
-#pragma GCC diagnostic ignored "-Wuninitialized"
-#endif
-
 template<typename T, size_t N> class SmallVector {
   // fixed-space storage
   size_t usedFixed = 0;
-  std::array<T, N> fixed;
+  std::array<T, N> fixed{};
 
   // flexible additional storage
   std::vector<T> flexible;

From 5510bd06774f5118d499034db29f110dc9febd84 Mon Sep 17 00:00:00 2001
From: stevenfontanella <stevenfont@chromium.org>
Date: Fri, 5 Dec 2025 18:17:58 +0000
Subject: [PATCH 2/2] Remove more pragmas

---
 src/support/small_vector.h | 8 --------
 1 file changed, 8 deletions(-)

diff --git a/src/support/small_vector.h b/src/support/small_vector.h
index 86f7bf70116..8cad6ade29e 100644
--- a/src/support/small_vector.h
+++ b/src/support/small_vector.h
@@ -230,14 +230,6 @@ struct ZeroInitSmallVector : public SmallVector<T, N> {
   }
 };
 
-#if defined(__aarch64__)
-#pragma GCC diagnostic pop
-#endif
-
-#if defined(__riscv) && __riscv_xlen == 64
-#pragma GCC diagnostic pop
-#endif
-
 } // namespace wasm
 
 #endif // wasm_support_small_vector_h